3 years ago

Which function describes the arithmetic sequence shown?

Mathematics

1 answer:

Vedmedyk [2.9K]3 years ago

5 0

Answer:

Step-by-step explanation:

The n th term of an arithmetic sequence in functional notation is

f(x) = a₁ + (x - 1)d

where a₁ is the first term and d the common difference

d = - 7 - (- 5) = - 7 + 5 = - 2 and a₁ = - 5, thus

f(x) = - 5 - 2(x - 1) = - 5 - 2x + 2 = - 2x - 3 → D

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